Patents by Inventor Satoru Ando
Satoru Ando has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20200032381Abstract: To provide a hot-dip Al alloy coated steel sheet which is excellent in post-painting corrosion resistance and post-working corrosion resistance. Disclosed is a hot-dip Al alloy coated steel sheet comprising a coating formed by a coating layer and an interfacial alloy layer present at an interface between the coating layer and a base steel sheet, in which the interfacial alloy layer contains Mn, and the coating layer contains Mg2Si having a major axis length of 5 ?m or more.Type: ApplicationFiled: March 27, 2018Publication date: January 30, 2020Applicant: JFE STEEL CORPORATIONInventors: Rinta SATO, Shunsuke YAMAMOTO, Satoru ANDO
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Patent number: 10434556Abstract: Provided is a hot-pressed member excellent in terms of paint adhesiveness and a method of manufacturing the hot-pressed member. A hot-pressed member has a coating layer containing Zn and Ni on the surface of a steel sheet of which the member is formed, an oxide film containing Zn on the coating layer, and a void formation rate is 80% or less for voids formed between the coating layer and the oxide film.Type: GrantFiled: May 13, 2014Date of Patent: October 8, 2019Assignee: JFE Steel CorporationInventors: Seiji Nakajima, Minako Morimoto, Satoru Ando
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Patent number: 10384254Abstract: A method of manufacturing a hot-pressed member including heating a coated steel sheet to 850° C. to 950° C., the coated steel sheet including a substrate steel sheet and a coating layer formed on the substrate steel sheet and containing 10% to 25% by mass of Ni and the balance being Zn and incidental impurities, in which the coating weight of the coating layer is 10 to 90 g/m2 per a side; and starting hot press forming when the temperature of the coated steel sheet which has been heated is 650° C. to 800° C.Type: GrantFiled: June 2, 2014Date of Patent: August 20, 2019Assignee: JFE Steel CorporationInventors: Seiji Nakajima, Minako Morimoto, Satoru Ando
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Publication number: 20190232417Abstract: A gas-shielded arc welding method includes welding a steel plate having a tensile strength of 780 MPa or more while feeding a consumable electrode via a welding torch and flowing a shielding gas. The consumable electrode includes, in mass %, C: 0 to 0.20%, Si: 0 to 0.50%, Mn: 0 to 0.50%, Cr: 1.00% to 9.00%, S: 0.0020% to 0.0600%, and Ni: 0 to 0.50%. The shielding gas includes, in vol. %, at least one of CO2 and O2: 1% to 15% in total, with the remainder being Ar and unavoidable impurities. Welding is performed under the condition satisfying the relationship of 1?{?0.05×[CO2+O2]}+[Cr]?8.3, and [Cr] represents the content of Cr in the consumable electrode, and [CO2+O2] represents a total content of at least one of CO2 and O2 in the shielding gas.Type: ApplicationFiled: June 19, 2017Publication date: August 1, 2019Applicants: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), JFE Steel CorporationInventors: Minoru MIYATA, Reiichi SUZUKI, Hiroshi MATSUDA, Rinsei IKEDA, Sachiko SUZUKI, Satoru ANDO
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Patent number: 10253386Abstract: The invention provides a steel sheet for hot press-forming that can reliably give hot press-formed parts having excellent paint adhesiveness, perforation corrosion resistance and joint corrosion resistance, and also provides a method for manufacturing the steel sheet for hot press-forming, and a method for producing hot press-formed parts using the steel sheet for hot press-forming. The steel sheet for hot press-forming includes a base steel sheet and a Zn-based coating layer with a mass of coating of 10 to 90 g/m2 on the base steel sheet, wherein the average ferrite grain diameter in the surface microstructure of the base steel sheet is not more than 20 ?m.Type: GrantFiled: March 4, 2013Date of Patent: April 9, 2019Assignee: JFE Steel CorporationInventors: Tatsuya Miyoshi, Seiji Nakajima, Satoru Ando
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Patent number: 10093077Abstract: A steel sheet for hot press-forming having a first coating layer on a surface of the steel sheet, containing 60% or more by mass Ni and a remainder composed of Zn and incidental impurities, a coating mass thereof being more than 5 g/m2 and 50 g/m2 or less per side, and a second coating layer on the first coating layer, containing 10% to 25% by mass Ni and a remainder composed of Zn and incidental impurities, a coating mass thereof being 10 to 90 g/m2 per side.Type: GrantFiled: May 13, 2014Date of Patent: October 9, 2018Assignee: JFE Steel CorporationInventors: Seiji Nakajima, Minako Morimoto, Satoru Ando
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Publication number: 20180216219Abstract: A method for manufacturing a hot-pressed member The method includes heating a zinc-based coated steel sheet to a temperature range from an Ac3 transformation temperature to 1000° C., performing hot pressing work, and performing cooling, in which a surface-cleaning treatment is performed on the zinc-based coated steel sheet before the heating step is performed.Type: ApplicationFiled: July 5, 2016Publication date: August 2, 2018Applicant: JFE STEEL CORPORATIONInventors: Seiji NAKAJIMA, Satoru ANDO
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Patent number: 10030290Abstract: A steel sheet for hot press-forming includes a zinc coating layer and a Si-containing compound layer in this order on a base steel sheet, wherein the Si-containing compound layer contains a silicone resin having an organic functional group of a carbon number of 4 or more.Type: GrantFiled: October 28, 2013Date of Patent: July 24, 2018Assignee: JFE Steel CorporationInventors: Tatsuya Miyoshi, Seiji Nakajima, Satoru Ando
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Publication number: 20180051366Abstract: Provided is a hot-dip Al—Zn—Mg—Si coated steel sheet having good corrosion resistance in flat parts and edge parts, and also having excellent worked part corrosion resistance. The hot-dip Al—Zn—Mg—Si coated steel sheet includes a base steel sheet and a hot-dip coating on a surface of the base steel sheet. The hot-dip coating includes an interfacial alloy layer present at an interface with the base steel sheet and a main layer present on the interfacial alloy layer, and contains from 25 mass % to 80 mass % of Al, from greater than 0.6 mass % to 15 mass % of Si, and from greater than 0.1 mass % to 25 mass % of Mg. The Mg content and Si content in the hot-dip coating satisfy formula (1): MMg/(MSi?0.6)>1.7 ??(1) where MMg represents the Mg content (mass %) and MSi represents the Si content (mass %).Type: ApplicationFiled: March 2, 2016Publication date: February 22, 2018Applicant: JFE STEEL CORPORATIONInventors: Toshihiko OOI, Yohei SATO, Yoichi TOBIYAMA, Toshiyuki OKUMA, Akihiko FURUTA, Masahiro YOSHIDA, Yoshitsugu SUZUKI, Satoru ANDO, Akira MATSUZAKI
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Patent number: 9880071Abstract: A mobile body corrosion measuring apparatus having a corrosion sensor installed in at least one portion of a mobile body, the corrosion sensor measuring a corrosion state at the portion and outputting corrosion data; a vehicle (mobile body) running speed sensor installed in the mobile body, the running speed sensor measuring a running speed of the mobile body and outputting the running speed data; and a data collection unit that acquires the corrosion data from the corrosion sensor and the running speed data from the vehicle speed sensor at the same time and collects the corrosion data and the running speed data with the corrosion data and the running speed data associated with each other. Due to above structure, a corrosion state specific to the mobile body can be accurately measured.Type: GrantFiled: September 20, 2016Date of Patent: January 30, 2018Assignees: SUZUKI MOTOR CORPORATION, JFE STEEL CORPORATIONInventors: Nobutoshi Konagai, Ruri Nakada, Kouta Sako, Yuya Ito, Sachiko Suzuki, Satoru Ando, Yoshiharu Sugimoto
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Patent number: 9758853Abstract: Disclosed is a hot-dip Al—Zn alloy coated steel sheet having excellent anti-corrosion property after coating, and a method for producing the same. In the disclosure, the hot-dip Al—Zn alloy coated steel sheet has a hot-dip coating layer containing by mass %, Al: 25% to 90%, and at least one of Sn: 0.01% to 2.0%, In: 0.01% to 10%, and Bi: 0.01% to 2.0%.Type: GrantFiled: February 17, 2014Date of Patent: September 12, 2017Assignee: JFE STEEL CORPORATIONInventors: Masahiro Yoshida, Akira Matsuzaki, Satoru Ando
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Patent number: 9746056Abstract: A continuously variable transmission is obtained by winding, around a drive sheave and a driven sheave, a continuously variable transmission belt in which a plurality of metal elements are stacked and supported on an endless ring. In at least one of the metal elements, flange parts are formed on a head part positioned at an outer peripheral side of the endless ring and a trunk part positioned at an inner peripheral side of the endless ring. The continuously variable transmission is provided with a fluid supply device which, during movement of the continuously variable transmission belt from the driven sheave to the drive sheave, sprayed lubricating oil in a movement direction of the continuously variable transmission belt, towards the flange parts.Type: GrantFiled: May 17, 2013Date of Patent: August 29, 2017Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Toyomi Sassa, Satoru Ando, Yoshikazu Ishii
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Publication number: 20170010183Abstract: A mobile body corrosion measuring apparatus having a corrosion sensor installed in at least one portion of a mobile body, the corrosion sensor measuring a corrosion state at the portion and outputting corrosion data; a vehicle (mobile body) running speed sensor installed in the mobile body, the running speed sensor measuring a running speed of the mobile body and outputting the running speed data; and a data collection unit that acquires the corrosion data from the corrosion sensor and the running speed data from the vehicle speed sensor at the same time and collects the corrosion data and the running speed data with the corrosion data and the running speed data associated with each other. Due to above structure, a corrosion state specific to the mobile body can be accurately measured.Type: ApplicationFiled: September 20, 2016Publication date: January 12, 2017Applicants: SUZUKI MOTOR CORPORATION, JFE STEEL CORPORATIONInventors: Nobutoshi KONAGAI, Ruri NAKADA, Kouta SAKO, Yuya ITO, Sachiko SUZUKI, Satoru ANDO, Yoshiharu SUGIMOTO
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Patent number: 9493868Abstract: An aluminum or aluminum alloy-coated steel material includes base steel; and a coating layer formed on a surface of the base steel and containing by mass % Mg: 6% to 10%, Si: 3% to 7%, Fe: 0.2% to 2%, Mn: 0.02% to 2%, and the balance as Al and incidental impurities, wherein the coating layer has pseudoternary eutectic microstructures of ?Al—Mg2Si—(Al—Fe—Si—Mn) and an area ratio of the pseudoternary eutectic microstructures in the coating layer is at least 30%.Type: GrantFiled: December 10, 2012Date of Patent: November 15, 2016Assignees: JFE Steel Corporation, Tokyo Institute of TechnologyInventors: Tooru Tsuru, Toshio Maruyama, Tatsuo Sato, Masao Takeyama, Masahiro Yoshida, Sakae Fujita, Sachiko Suzuki, Satoru Ando, Hiroki Nakamaru
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Patent number: 9476799Abstract: A mobile body corrosion measuring apparatus having a corrosion sensor installed in at least one portion of a mobile body, the corrosion sensor measuring a corrosion state at the portion and outputting corrosion data; a vehicle (mobile body) running speed sensor installed in the mobile body, the running speed sensor measuring a running speed of the mobile body and outputting the running speed data; and a data collection unit that acquires the corrosion data from the corrosion sensor and the running speed data from the vehicle speed sensor at the same time and collects the corrosion data and the running speed data with the corrosion data and the running speed data associated with each other. Due to above structure, a corrosion state specific to the mobile body can be accurately measured.Type: GrantFiled: June 7, 2013Date of Patent: October 25, 2016Assignees: SUZUKI MOTOR CORPORATION, JFE STEEL CORPORATIONInventors: Nobutoshi Konagai, Ruri Nakada, Kouta Sako, Yuya Ito, Sachiko Suzuki, Satoru Ando, Yoshiharu Sugimoto
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Publication number: 20160158822Abstract: Provided is a hot-pressed member excellent in terms of paint adhesiveness and a method of manufacturing the hot-pressed member. A hot-pressed member has a coating layer containing Zn and Ni on the surface of a steel sheet of which the member is formed, an oxide film containing Zn on the coating layer, and a void formation rate is 80% or less for voids formed between the coating layer and the oxide film.Type: ApplicationFiled: May 13, 2014Publication date: June 9, 2016Inventors: Seiji NAKAJIMA, Minako MORIMOTO, Satoru ANDO
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Publication number: 20160151822Abstract: A method of manufacturing a hot-pressed member including heating a coated steel sheet to 850° C. to 950° C., the coated steel sheet including a substrate steel sheet and a coating layer formed on the substrate steel sheet and containing 10% to 25% by mass of Ni and the balance being Zn and incidental impurities, in which the coating weight of the coating layer is 10 to 90 g/m2 per a side; and starting hot press forming when the temperature of the coated steel sheet which has been heated is 650° C. to 800° C.Type: ApplicationFiled: June 2, 2014Publication date: June 2, 2016Inventors: Seiji NAKAJIMA, Minako MORIMOTO, Satoru ANDO
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Publication number: 20160144600Abstract: A steel sheet for hot press-forming having a first coating layer on a surface of the steel sheet, containing 60% or more by mass Ni and a remainder composed of Zn and incidental impurities, a coating mass thereof being more than 5 g/m2 and 50 g/m2 or less per side, and a second coating layer on the first coating layer, containing 10% to 25% by mass Ni and a remainder composed of Zn and incidental impurities, a coating mass thereof being 10 to 90 g/m2 per side.Type: ApplicationFiled: May 13, 2014Publication date: May 26, 2016Applicant: JFE STEEL CORPORATIONInventors: Seiji Nakajima, Minako Morimoto, Satoru Ando
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Publication number: 20160069433Abstract: A continuously variable transmission is obtained by winding, around a drive sheave and a driven sheave, a continuously variable transmission belt in which a plurality of metal elements are stacked and supported on an endless ring. In at least one of the metal elements, flange parts are formed on a head part positioned at an outer peripheral side of the endless ring and a trunk part positioned at an inner peripheral side of the endless ring. The continuously variable transmission is provided with a fluid supply device which, during movement of the continuously variable transmission belt from the driven sheave to the drive sheave, sprayed lubricating oil in a movement direction of the continuously variable transmission belt, towards the flange parts.Type: ApplicationFiled: May 17, 2013Publication date: March 10, 2016Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Toyomi SASSA, Satoru ANDO, Yoshikazu ISHII
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Publication number: 20160047018Abstract: An Al—Zn-coated steel sheet that suppresses blistering and offers good corrosion resistance after painting is provided. The Al—Zn-coated steel sheet includes an Al—Zn coating layer on a steel sheet surface, the Al—Zn coating layer including two layers which are an interfacial alloy layer present in an interface with a base steel sheet and an upper layer disposed on the interfacial alloy layer. The upper layer contains compounds of Si and Ca or Si, Ca, and Al, and Ca/Si mass % ratio in the upper layer is 0.72 to 1.4. The interfacial alloy layer contains an Fe—Al compound and/or an Fe—Al—Si compound. In the upper layer, Si content is 0.1 to 2.0 mass % and Ca content is 0.001 to 2.0 mass %.Type: ApplicationFiled: March 19, 2014Publication date: February 18, 2016Applicant: JFE STEEL CORPORATIONInventors: Minako Morimoto, Masahiro Yoshida, Satoru Ando